Penfield at a glance
Population
422
Median age 70
The brief
What to know about Penfield.
The postcode for Penfield is 5121 (SA), part of Greater Adelaide.
Penfield (5121) sits in the Playford region of South Australia.
Penfield has roughly 422 residents, with a retiree-heavy demographic. Households are predominantly owner-occupied.
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Day to day
What it’s like to live here.
Summer days here average around 28°C (warm), winter mornings around 7°C (cool). Annual rainfall lands at about 448mm. Data comes from the Bureau of Meteorology's Adelaide (Kent Town) station, 11.1km away.
Schooling within or near the suburb covers 7 government primary, 2 government secondary, 5 Catholic, 3 independent.
Who lives here
Demographics.
The 2021 Census put Penfield's population at 422, with a median age of 70. That sits as a retiree-heavy demographic. Households are predominantly owner-occupied (81% own, 12% rent), which shapes everything from school catchment stability to how often properties turn over. Lone-person households are notable here (50%), often a marker of unit-heavy stock and walkable infrastructure.
Population
422
Median age
70
Family households
48%
Lone person
50%
Demographics data as of May 2026· ABS 2021 Census
Market
The price of a home here.
Median house price
Verified median pending
We don't yet have a verified suburb-level median for this market. We're working on a data partner; in the meantime, treat the state-level figures as a guide only. How we source data.
Rental and ownership
Weekly rent (house)
$415/wk
Weekly rent (unit)
$180/wk
Owner occupied
81%
Renter occupied
12%
At a deeper level
422
Median age: 70
Rental data as of December 2025· rental-sa
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Safety
Crime and safety.
41
total offences in 2025-26
Top offence categories
Crime statistics are reported at LGA level and may cover a broader area than this suburb.
Source: State Police Open Data
Crime data as of June 2026· State Police Open Data
Place
Location.
Amenities
Transport
Education
Schools in Penfield.
Local schools for Penfield
View the catchment for each school to find out more.
Government School Catchment
Swallowcliffe School P-6
John Hartley School B-6
Elizabeth North Primary School
© ACARA, licensed under CC BY 4.0.
Climate
Weather year-round.
Annual Rainfall
448 mm
Hottest Month (avg max)
28.0°C
Coldest Month (avg min)
7.0°C
Monthly Rainfall (mm)
Weather data from BOM station Adelaide (Kent Town) (11 km away)
Climate data as of May 2026· Bureau of Meteorology
Frequently asked
About Penfield.
- What is the Penfield postcode?
- Penfield is in the 5121 postcode, in SA, in the City of Playford region.
- Where is Penfield?
- Penfield is a suburb of Adelaide, in SA 5121. It is part of the Greater Adelaide area, in the City of Playford region.
- What is the average rent in Penfield?
- The median weekly rent for houses is $415, for units it's $180.
- What schools are in Penfield?
- There are 20 schools serving Penfield on this page, including Swallowcliffe School P-6, St Columba College, Compass Catholic Community.
- What suburbs are near Penfield?
- Penfield is close to Eyre, Macdonald Park, Edinburgh North, Davoren Park, Davoren Park South.
- What is the population of Penfield?
- The population of Penfield is approximately 422 (2021 Census). The median age is 70.
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Sources cited
Median, growth and rental data from state revenue offices and ABS. Census from ABS 2021. Climate from BoM. Hazard from Geoscience Australia. School data from ACARA. Crime from state police open data. Full methodology →
Always dated
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